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-rw-r--r--hw/zaurus.c111
1 files changed, 51 insertions, 60 deletions
diff --git a/hw/zaurus.c b/hw/zaurus.c
index 36be94a..fca11a5 100644
--- a/hw/zaurus.c
+++ b/hw/zaurus.c
@@ -18,15 +18,17 @@
#include "hw.h"
#include "pxa.h"
#include "sharpsl.h"
+#include "sysbus.h"
#undef REG_FMT
#define REG_FMT "0x%02lx"
/* SCOOP devices */
+typedef struct ScoopInfo ScoopInfo;
struct ScoopInfo {
+ SysBusDevice busdev;
qemu_irq handler[16];
- qemu_irq *in;
uint16_t status;
uint16_t power;
uint32_t gpio_level;
@@ -153,7 +155,7 @@ static CPUWriteMemoryFunc * const scoop_writefn[] = {
scoop_writeb,
};
-void scoop_gpio_set(void *opaque, int line, int level)
+static void scoop_gpio_set(void *opaque, int line, int level)
{
ScoopInfo *s = (ScoopInfo *) opaque;
@@ -163,77 +165,66 @@ void scoop_gpio_set(void *opaque, int line, int level)
s->gpio_level &= ~(1 << line);
}
-qemu_irq *scoop_gpio_in_get(ScoopInfo *s)
+static int scoop_init(SysBusDevice *dev)
{
- return s->in;
-}
+ ScoopInfo *s = FROM_SYSBUS(ScoopInfo, dev);
+ int iomemtype;
-void scoop_gpio_out_set(ScoopInfo *s, int line,
- qemu_irq handler) {
- if (line >= 16) {
- fprintf(stderr, "No GPIO pin %i\n", line);
- exit(-1);
- }
+ s->status = 0x02;
+ qdev_init_gpio_out(&s->busdev.qdev, s->handler, 16);
+ qdev_init_gpio_in(&s->busdev.qdev, scoop_gpio_set, 16);
+ iomemtype = cpu_register_io_memory(scoop_readfn,
+ scoop_writefn, s, DEVICE_NATIVE_ENDIAN);
- s->handler[line] = handler;
-}
+ sysbus_init_mmio(dev, 0x1000, iomemtype);
-static void scoop_save(QEMUFile *f, void *opaque)
-{
- ScoopInfo *s = (ScoopInfo *) opaque;
- qemu_put_be16s(f, &s->status);
- qemu_put_be16s(f, &s->power);
- qemu_put_be32s(f, &s->gpio_level);
- qemu_put_be32s(f, &s->gpio_dir);
- qemu_put_be32s(f, &s->prev_level);
- qemu_put_be16s(f, &s->mcr);
- qemu_put_be16s(f, &s->cdr);
- qemu_put_be16s(f, &s->ccr);
- qemu_put_be16s(f, &s->irr);
- qemu_put_be16s(f, &s->imr);
- qemu_put_be16s(f, &s->isr);
+ return 0;
}
-static int scoop_load(QEMUFile *f, void *opaque, int version_id)
+static bool is_version_0 (void *opaque, int version_id)
{
- uint16_t dummy;
- ScoopInfo *s = (ScoopInfo *) opaque;
- qemu_get_be16s(f, &s->status);
- qemu_get_be16s(f, &s->power);
- qemu_get_be32s(f, &s->gpio_level);
- qemu_get_be32s(f, &s->gpio_dir);
- qemu_get_be32s(f, &s->prev_level);
- qemu_get_be16s(f, &s->mcr);
- qemu_get_be16s(f, &s->cdr);
- qemu_get_be16s(f, &s->ccr);
- qemu_get_be16s(f, &s->irr);
- qemu_get_be16s(f, &s->imr);
- qemu_get_be16s(f, &s->isr);
- if (version_id < 1)
- qemu_get_be16s(f, &dummy);
-
- return 0;
+ return version_id == 0;
}
-ScoopInfo *scoop_init(PXA2xxState *cpu,
- int instance,
- target_phys_addr_t target_base) {
- int iomemtype;
- ScoopInfo *s;
- s = (ScoopInfo *)
- qemu_mallocz(sizeof(ScoopInfo));
- memset(s, 0, sizeof(ScoopInfo));
+static const VMStateDescription vmstate_scoop_regs = {
+ .name = "scoop",
+ .version_id = 1,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT16(status, ScoopInfo),
+ VMSTATE_UINT16(power, ScoopInfo),
+ VMSTATE_UINT32(gpio_level, ScoopInfo),
+ VMSTATE_UINT32(gpio_dir, ScoopInfo),
+ VMSTATE_UINT32(prev_level, ScoopInfo),
+ VMSTATE_UINT16(mcr, ScoopInfo),
+ VMSTATE_UINT16(cdr, ScoopInfo),
+ VMSTATE_UINT16(ccr, ScoopInfo),
+ VMSTATE_UINT16(irr, ScoopInfo),
+ VMSTATE_UINT16(imr, ScoopInfo),
+ VMSTATE_UINT16(isr, ScoopInfo),
+ VMSTATE_UNUSED_TEST(is_version_0, 2),
+ VMSTATE_END_OF_LIST(),
+ },
+};
- s->status = 0x02;
- s->in = qemu_allocate_irqs(scoop_gpio_set, s, 16);
- iomemtype = cpu_register_io_memory(scoop_readfn,
- scoop_writefn, s, DEVICE_NATIVE_ENDIAN);
- cpu_register_physical_memory(target_base, 0x1000, iomemtype);
- register_savevm(NULL, "scoop", instance, 1, scoop_save, scoop_load, s);
+static SysBusDeviceInfo scoop_sysbus_info = {
+ .init = scoop_init,
+ .qdev.name = "scoop",
+ .qdev.desc = "Scoop2 Sharp custom ASIC",
+ .qdev.size = sizeof(ScoopInfo),
+ .qdev.vmsd = &vmstate_scoop_regs,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_END_OF_LIST(),
+ }
+};
- return s;
+static void scoop_register(void)
+{
+ sysbus_register_withprop(&scoop_sysbus_info);
}
+device_init(scoop_register);
/* Write the bootloader parameters memory area. */
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